Caliper Life, Southwall, Williams-Sonoma: U.S. Equity Preview

Shares of the following companies may have unusual moves in U.S. trading on Nov. 7. Stock symbols are in parentheses.

Berkshire Hathaway Inc. (BRK/A) (BRK/A US): The firm run by billionaire Chief Executive Officer Warren Buffett said third-quarter profit fell 24 percent as derivative bets declined in value.

Caliper Life Sciences Inc. (CALP) : Mario Gabelli’s Gamco Investors Inc. (GBL) reported a stake equal to 5.52 percent of the shares in the maker of medical-testing products that is being acquired by PerkinElmer Inc. for $600 million.

Gamco also reported a position equal to 5.8 percent in Southwall Technologies Inc. (SWTX) , a maker of glass-coating film.

Entergy Corp. (ETR) : The operator of nuclear power plants forecast 2012 profit of as much as $6.20 a share, above the average analyst estimate of $6.03 in a Bloomberg survey.

Williams-Sonoma Inc. (WSM) : The gourmet-cookware retailer bought Rejuvenation Inc. for an undisclosed price. The company makes authentic reproduction lighting and house parts.

To contact the reporters on this story: Nikolaj Gammeltoft in New York at ngammeltoft@bloomberg.net.

To contact the editor responsible for this story: Nick Baker at nbaker7@bloomberg.net.

Press spacebar to pause and continue. Press esc to stop.

Bloomberg reserves the right to remove comments but is under no obligation to do so, or to explain individual moderation decisions.

Please enable JavaScript to view the comments powered by Disqus.