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, July 31:

52-Week Highs: Ford ( F) closed at a new 52-week high today, up 8.3% to $8. Starbucks ( SBUX) also made a new high today, of $17.90, before closing up 7 cents for the day at $17.70.

52-Week Lows: Lexmark ( LXK) hit a new low today, sinking to $14.23 before closing down 7 cents for the day at $14.48.

Biggest % Losers: The day's biggest percentage losers included Las Vegas Sands ( LVS), down 16.1%, and Synaptics ( SYNA), down 33.1%.

Rising on Unusual Volume: McAfee ( MFE) rose 4.8% today on a 152% increase in volume. Abaxis ( ABAX) rose 22.6% on a 711% increase in volume.

Analyst Upgrades: Citigroup upgraded Dow Chemical ( DOW) to buy from hold with a $27 price target, and Morgan Keegan upgraded Motorola ( MOT) to outperform.

Analyst Downgrades: JPMorgan downgraded Disney ( DIS) to underweight from neutral and lowered its price target on the stock to $22 from $23.

See all of Today's Lists here, including Cramer's "Lightning Round" and Biggest % Gainers.

-- Written by Rebecca Corvino in New York.