Week in Review: Calls for Change to a Complex Market

AC/DC WEEK IN VERSE Catch up on Knight Capital's stumbles and then put on your headphones for AC/DC.

Calls for stronger regulations of the computer-driven markets were renewed after the third stock trading catastrophe in the past five months. “Among the proposals that gained momentum were stringent testing of computer trading programs and a transaction tax that could reduce trading,” Nathaniel Popper and Peter Eavis reported.

A look back on our reporting of the past week's highs and lows in finance.

24 Hour Fitness Is Said to Be for Sale | Forstmann Little has hired Goldman Sachs to run the auction process, Peter Lattman reported. The chain is expected to fetch about $2 billion in a sale. DealBook '

DealBook Column: Suggestions for an Apple Shopping List | Andrew Ross Sorkin offers some must-buys and some pie-in-the-sky targets that the company's chief may want to conside r. DealBook '

With a stock market value of $13.5 billion, Sprint can be purchased for a song. Apple could easily spend four times more than that - say, $50 billion - to build out the Sprint network and turn it into a showcase for the next generation mobile technology. Apple could still offer its devices on other carriers, but its premium product would exist on its own network.

Chinese Internet Group Is Said to Be Close to Raising $8 Billion | “Alibaba plans to use the bulk of that new money to buy back a 20 percent stake in itself from Yahoo for $7.1 billion,” Evelyn M. Rusli and Michael J. de la Merced reported. DealBook '

Errant Trades Reveal a Risk Few Expected | Knight Capital rushed to develop a computer program so it could take advantage of a new Wall Street venue. But the firm ran up against its deadline, Nathaniel Popper and Peter Eavis reported. DealBook '

Trying to Stay Nimble, Knight Capital Fumbles | Thomas M. Joyce, an unapologetic advocate of electronic trading, is fighting for his company's survival, Jessica Silver-Greenberg and Ben Protess reported. DealBook '

Société Générale's Profit Falls Below Expectations | Analysts are waiting to see whether the big French bank sells TCW Group, a fund firm in Los Angeles, Liz Alderman reported. DealBook '

Deal Professor: In Picking Facebook Shares, Repeating Past's Mistakes | Steven M. Davidoff says that “individual investors lose out consistently when they buy and trade individual stocks. They're better off investing in passive index funds.” DealBook '

Perhaps Mr. Cramer's show could begin each segment with a note spelling out how much investors lose when they trade on their own.

Profits Plunge at Two European Banks | “Deutsche Bank of Germany and UBS of Switzerland both were hit by drops in trading activity,” Mark Scott and Jack Ewing reported. DealBook '

A Hedge Fund T oo Big to Profit | Louis M. Bacon admitted defeat and returned about $2 billion, or 25 percent of the main fund he manages at Moore Capital Management, to his investors, Landon Thomas Jr. reported. DealBook '

It is hard to figure out how to invest when actions taken by politicians can affect financial markets more than basic economic factors, he said.

The Offspring of the Tiger | “In a relatively young industry where stars can quickly fade, Tiger Management - and its myriad affiliates like Falcon Edge - is the closest thing to a hedge fund dynasty,” Ms. Rusli and Azam Ahmed reported. DealBook '

JAL Plans an IPO to Raise $8.5 Billion | “At that price, it would easily be the second-largest I.P.O. this year, after Facebook,” Hiroko Tabuchi reported. DealBook '

Japan Widens Inquiry Into Insider Trading | A government investigation has extended onto the trading floors of Goldman Sachs, UBS and Deutsche Bank, Ms. Tabuchi and Peter Lattman reported. DealBook '

Bristol-Myers Executive Is Accused of Insider Trading | Federal prosecutors said Robert D. Ramnarine had profited from confidential information about pending deals by the pharmaceutical company, William Alden reported. DealBook '

MF Global Trustees Differ Over Amount Customers Will Be Repaid | James W. Giddens told lawmakers that a $1.6 billion gap remained. Another MF Global trustee, Louis Freeh, referred to the $1.6 billion gap as an “alleged shortfall,” Mr. Protess reported. DealBook '

The Trade: As Banking Titans Reflect on Errors, Few Pay Any Price | Jesse Eisinger of ProPublica says it is astonishing that Wall Street bankers seem not to have paid any social cost. DealBook '

If you are rich, you must be intelligent. Your views must be worthwhile, never mind the track record.

Jury Clears Ex-Manager at Citigroup in Debt Case | The jury rejected the S.E.C.'s case, concluding tha t Brian Stoker was not liable under the securities laws, Mr. Lattman reported. The jury also issued an unusual statement. DealBook '

“This verdict should not deter the S.E.C. from investigating the financial industry, to review current regulations and modify existing regulations as necessary,” said the jury's statement.