Investors Cool on Tech A survey of tech firms' valuations shows many companies are challenged.    Here's detail from various reporters: ...

"With New Firepower, S.E.C. Tracks Bigger Game,"  Ben Protess and Azam Ahmed  report at the New York Times Dealbook. Embarrassed after missing the warning signs of the financial crisis and the Ponzi scheme of Bernard L. Madoff, the agency’s enforcement division has adopted several new — if somewhat unconventional — strategies to restore its credibility. The S.E.C. is taking its cue from criminal authorities ...