Monday's Late Winners & Losers

Among the movers in Monday's very quiet and thinly traded late session were oil drillers Transocean (RIG) and GlobalSantaFe (GSF).

Shares saw heavy postclose volume after the U.K.'s Office of Fair Trading cleared the merger-of-equals that the Houston-based companies agreed to earlier this year, having mollified certain of the regulators' antitrust concerns. The companies say they expect the merger to close Tuesday -- the originally scheduled date -- in light of the news.

Transocean shares were down 0.8% to $128.45. GlobalSantaFe lately ticked up 33 cents to $87.16.

Other after-hours winners included drugmaker Bristol Myers Squibb (BMY), up 1.7% to $28.07; closeout retailer Big Lots (BIG), up 0.4% to $20.40; and real estate investment trust Apartment Investment & Management (AIV), which added 2.8%.

The decliners included Pharmacopeia (PCOP), which slid 7.2% to $4.15; auctioneer Sotheby's (BID), down 2.2% to $34.25; and clinical-research company Kendle International (KNDL) which was off 88 cents, or 2.1%, to $41.50.

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