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. 25:

Biggest % Gainers: Willdan Group ( WLDN) was the day's biggest gainer, closing up 116.8% at $3.75 after being awarded a $67 million contract from ConEd. For more stocks on the rise on Tuesday, visit the Biggest % Gainers list.

Biggest % Losers: Borders ( BDG) lost 6% to close at $3.4 after reporting a wider-than-expected loss. For more stocks closing in the red on Tuesday, visit the Biggest % Losers portfolio.

Rising on Unusual Volume: Discovery Communications ( DISCA) rose 3% on Tuesday on a 70% increase in volume, while MedAssets ( MDAS) rose 10% on a 286% increase in volume. For more stocks rising on usual volume today, visit the Rising on Unusual Volume list.

Analyst Upgrades: Today's upgrades included Costco ( COST), which William Blair bumped up to market perform from underperform, and Google ( GOOG), which ThinkEquity upgraded to buy from source of funds with a $550 price target. For more, visit the Analyst Upgrades list.

Analyst Downgrades: Morgan Stanley downgraded Sherwin-Williams ( SHW) to equal-weight from overweight and eliminated its $60 price target on the stock. For more, visit the Analyst Downgrades list.

See all of Today's Lists here, including 52-Week Highs, 52-Week Lows and Unusual Options Activity.

-- Written by Rebecca Corvino in New York.

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