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, July 8: 52-Week Highs: Hitting new highs on Wednesday were such stocks as Schering-Plough ( SGP), which rose to $25.69 before closing up 17 cents for the day at $25.27, and ImmunoGen ( IMGN), which hit a 52-week high or $9.05 before closing up a penny at $8.90. Biggest % Gainers: Family Dollar Stores ( FDO) jumped 12.4% to close at $31.18 on Wednesday after reporting a third-quarter earnings beat. Amgen ( AMGN) was another big gainer, closing the day up 13.9% to $59.50. Biggest % Losers: Some of the biggest percentage losers for the day were Genworth Financial ( GNW), which slid 12.2% to $5.32, and Renesola ( SOL), down 13% to $4.36. Unusual Options Activity: Stocks experiencing unusually high option volume today included Potash ( POT), Visa ( V) and Allstate ( ALL). Analyst Upgrades: ThinkEquity upgraded First Solar ( FSLR) to buy and cut its price target on the stock to $180 from $188. Citigroup upgraded Freeport-McMoRan ( FCX) to buy with a $58 price target. Cramer's "Lightning Round": On last night's "Mad Money" show, Jim Cramer was bullish on Dendreon ( DNDN) but bearish on Research In Motion ( RIMM). See all of Today's Lists here, including 52-Week Lows, Rising on Unusual Volume and Analyst Downgrades. Not a Stockpickr member? Join the community today -- for free.