Tesla Motors Inc. (NasdaqGS: TSLA) saw its stock gaining 20.71 percent late Wednesday to $29.73. Its volume was 2,419,581 shares, or quadruple normal daily volume average. Tuesday, the California company reported it lost $34.9 million, or 38 cents per share, in the third quarter as car sales fell and it spent more on developing a new model. However, analysts had expected a loss of 43 cents per share.

Las Vegas Sands Corp. (NYSE: LVS) got a lot of attention Wednesday, trading in 52,859,496 shares, compared to its usual average volume of 30,818,400. The stock’s price edged down, however, 4.09 percent, to $49.98. The company reported Wednesday its casino revenue rose 2.8 percent in September, to $520.6 million from $506.4 million in the same month a year earlier.

Carver Bancorp Inc. (NasdaqGM: CARV) took a thumping as Wednesday’s trading day ended, losing 18.37 percent to $3.91. CARV’s volume was 25,712 shares, compared to usual volume just below 4,000. The New York-based holding company announced in October a net loss of $23.4 million for the second quarter of fiscal 2011 compared to a net loss of $0.3 million for the second quarter of fiscal 2010 and a loss of $2.5 million for the first quarter of fiscal 2011.