24/7 Wall St.

Investors and traders are constantly looking for new ideas that will generate profits. 24/7 Wall St. looks over research calls from all over to find great ideas, from value stocks to dividends to growth stocks. Many research-driven ideas for stocks to buy and to sell come from independent research firms. Some also come from the large sell-side investment banking firms on Wall St.

These are some of this Tuesday’s top analyst upgrades, downgrades and initiations seen from select Wall S. research calls.

AOL Inc. (NYSE: AOL) raised to Overweight with $44 price target at Barclays.

Bed Bath & Beyond Inc. (NASDAQ: BBBY) reiterated Buy with $80 price target at Argus.

Cliffs Natural Resources Inc. (NYSE: CLF) raised to Neutral from Sell as the $20 price target was hit by Goldman Sachs, cut to Underweight from Equal Weight at Morgan Stanley and maintained Underperform but target price cut to $10 from $30 at Credit Suisse.

General Mills Inc. (NYSE: GIS) raised to Buy with $57 price target at Argus.

Google Inc. (NASDAQ: GOOG) reiterated Outperform and raised price target to $982 from $847 at Credit Suisse.

MannKind Corp. (NASDAQ: MNKD) reiterated Buy but raised price target to $5 from $3 at BofA/Merrill Lynch.

Oracle Corp. (NASDAQ: ORCL) reiterated Buy and $38 price target at BofA/Merrill Lynch.

PG&E Corp. (NYSE: PCG) raised to Outperform with $52 price target at Bernstein.

Sykes Enterprises Inc. (NASDAQ: SYKE) raised to Outperform at Wells Fargo.

ViroPharma Inc. (NASDAQ: VPHM) raised to Overweight with $32 target price at J.P. Morgan.

VMware Inc. (NYSE: VMW) raised to Strong Buy from Buy but lowered price target down to $115 from $130 from ISI.

ZIOPHARM Oncology Inc. (NASDAQ: ZIOP) tanked yesterday and analysts between today and yesterday abandoned the sinking ship: cut to Neutral at J.P. Morgan and cut to Underperform at BMO.

Here are the 10 S&P 500 stocks that will lead the S&P to new all-time highs.