After the market close, Stockpickr updates a series of portfolios called Today's Lists with information from that trading day. It's a useful tool for getting a quick picture of how the market moved that day.

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Here's a sampling of what made Today's Lists today, July 13:

52-Week Highs: Stec ( STEC) and Dollar Thrifty ( DTG) made year highs today, of $27.03 and $15.83, respectively. Stec closed closed up 13.6% for the day at $26.73, and Dollar Thrifty ended the day up 5.2% at $15.76.

52-Week Lows: On the 52-week-low list today were Cephalon ( CEPH) and CardioNet ( BEAT). Cephalon hit a low of $52.55 before closing up 50 cents for the day at $53.79. CardioNet closed down 33.5% for the day at $5.87 after hitting a low earlier of $5.60.

Biggest % Gainers: AIG ( AIG) rose 24% to $14.57 on Monday, making it one of the day's biggest percentage gainers. iBasis ( IBAS) added 28.5% to $1.67 after receiving a $48.2 million bid.

Biggest % Losers: American Dairy ( ADY) lost 44% to $20.08 on Monday after lowering guidance. CIT ( CIT) fell 11.8% to $1.35 on news that it is still in talks with regulators regarding its liquidity position.

Rising on Unusual Volume: Netflix ( NFLX) closed up 5.3% to $2.12 on a 144% increase in volume on Monday, amid takeover rumors.

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