Today's Lists on Stockpickr: Aug. 31

NEW YORK (TheStreet) -- 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.

If you are a Stockpickr member and have a Today's List stock in one of your portfolios, you'll receive an email alert after that list is updated. You can become a Stockpickr member here.

Here's a sampling of what made Today's Lists today, Aug. 31:

52-Week Highs: Marvel(MVL Quote) rose to a new high of $48.37 on Monday on news that Disney(DIS Quote) would buy the company for $4 billion. Marvel closed up 25.2% for the day at $48.37.

For more stocks setting new highs on Monday, including BioCryst(BCRX Quote), visit the 52-Week Highs list.

52-Week Lows: Energy Conversion Devices(ENER Quote) hit a new low of $11.04 before closing down 6% for the day at $11.21. For more new lows, check out the 52-Week Lows list.

Biggest % Gainers: Sequenom(SQNM Quote) gained 21% to close at $6.39 on Monday on expectations of positive news regarding its prenatal Down Syndrome test.

For more of Monday's big gainers, including Sinovac(SVA Quote), visit the Biggest % Gainers list.

Biggest % Losers: AIG(AIG Quote) reversed some of last week's gains, falling 9.8% to close at $45.33 after a weekend article in Barron's said shares were overpriced.

For more stocks that fell big on Monday, including Baker Hughes(BHI Quote), check out the Biggest % Losers list.

Analyst Downgrades: Bank of America/Merrill Lynch downgraded Morgan Stanley to neutral from buy and cut its price target on the stock to $32 from $33. For more, check out the Analyst Downgrades list.

See all of Today's Lists here, including Rising on Unusual Volume and Analyst Upgrades.

-- Written by Rebecca Corvino in New York.