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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.

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Here's a sampling of what made Today's Lists today, Sept. 21:

52-Week Highs

:

NetApp

(NTAP) - Get Report

rose to a new high of $25.89 on Monday before closing up 3.6% for the day at $25.63. In a note released Sunday, Goldman Sachs

upgraded NetApp

to its conviction buy list and increased its price target on the stock to $32 from $23.

ConAgra

(CAG) - Get Report

rose to $22.73 before closing up a penny at $22.33, in anticipation of its first-quarter earnings report, scheduled for Tuesday. On Friday's

"Mad Money" show

, Jim Cramer said he'd be looking to the earnings reports of ConAgra and

General Mills

(GIS) - Get Report

this week to get a read on the broader market and would sell more-cyclical names if these defensive stocks received earnings boosts.

For more stocks making new highs today, check out the

52-Week Highs

list.

Biggest % Gainers

:

AIG

(AIG) - Get Report

soared

21.3% to $48.40 on Monday after a

Bloomberg

report that the government might restructure the insurer's bailout package, including by extending its repayment deadline.

For more stocks on the rise, check out the

Biggest % Gainers

list.

Biggest % Losers

:

Delta Petroleum

( DPTR) lost almost half its value on Monday, plunging 44.9% to $2.21 after

disappointing test results

that revealed lower-than-expected gas volumes out of the Columbia River Basin.

For more stocks heading lower today, check out the

Biggest % Losers

list.

Analyst Upgrades

: Robert Baird boosted its rating on

Celgene

(CELG) - Get Report

to outperform from neutral with a $65 price target. Also on Monday on

"Stop Trading!"

Jim Cramer said Celgene and

Onyx

(ONXX)

are "doing a lot of things right."

See

all of Today's Lists here

, including

52-Week Lows

,

Rising on Unusual Volume

and

Analyst Downgrades

.

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