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 21:

52-Week Highs: Hitting a 52-week high again on Tuesday was Human Genome Sciences ( HGSI), which rose to $14.97 before closing up 10.6% for the day at $13.84. Schering-Plough ( SGP) hit a high of $26.60 and closed up 3.8% for the day at $26.53.

Biggest % Gainers: Yingli Green Energy ( YGE) rose 13.9%, or $1.58, on Tuesday, to close at $12.98 on news of Chinese solar subsidies. JDA Software ( JDAS) added $5.65, or 34.4%, to $22.09 on second-quarter earnings.

Biggest % Losers: CIT ( CIT) closed down 21.6% at 98 cents on Tuesday.

Analyst Upgrades: BMO Capital upgraded Las Vegas Sands ( LVS) to outperform from market perform with a $15 price target. ThinkEquity upgraded NetApp ( NTAP) to accumulate from source of funds with a $22 price target.

Analyst Downgrades: Jefferies downgraded Nokia ( NOK) to hold from buy, and Morgan Stanley bumped it down to underweight from overweight.

See all of Today's Lists here, including TSC Ratings Upgrades, Unusual Options Activity and TheStreet.com TV Videos.

More from Investing

Danica Patrick's Final Race at 2018 Indianapolis 500: What She Thinks About Cars

Danica Patrick's Final Race at 2018 Indianapolis 500: What She Thinks About Cars

Why The FANG Stocks' Dominance May Not Be So Bad For The Market

Why The FANG Stocks' Dominance May Not Be So Bad For The Market

At End of May, Investors Signalling They May Stay Away

At End of May, Investors Signalling They May Stay Away

Inside Carnival's Mind Blowing New Horizon Cruise Ship (Video)

Inside Carnival's Mind Blowing New Horizon Cruise Ship (Video)

Neel Kashkari: The Heart of Our Financial System Is More Radioactive Than Ever

Neel Kashkari: The Heart of Our Financial System Is More Radioactive Than Ever