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24/7 Wall St. Closing Bell — Wednesday: Markets Cannot Shake-off Low Open and Sink to Close

24/7 Wall St. Closing Bell — Tuesday: Markets Mixed at Open, Closes Slightly Higher

Safeway's Prepaid Card Issuer Files for IPO

Top Analyst Upgrades and Downgrades (A, BBY, BFAM, DF, ICE, JCP, MA, QCOM, CRM, SKX, VVUS)

Top Analyst Upgrades and Downgrades (BCS, BHP, GME, GOOG, GRPN, HD, LOW, MA, V, NKE, OPEN, TLM, TSLA, UNH, PAY, OMX, ODP)

The Stocks That Buffett and Berkshire Hathaway Should Sell Now

Berkshire Hathaway and Buffett Make Many Portfolio Changes for 2013

Visa Beats Estimates but Gets No Glory

5 Things that Will Move the Market This Week

Among the things sure to help shape the week ahead on Wall Street, Visa will tell us whether we've been choosing plastic over paper; Disney will tell us how much magic it has in its financials; and Panera and Chipotle will serve up their quarterly results.

24/7 Wall St. Closing Bell — February 1, 2013: Markets Stronger on Economic Data (VZ, MA, EPD, STZ, UPS, BYI, GDOT, WYNN, CVX, XOM, MAT, MRK, NOV, TSN, CYOU, GCI, HUM, GOLD, RCL, SPG, CLX, ZTS, KERX, FB)

Top Analyst Upgrades and Downgrades (BUD, BWLD, CB, STZ, EPD, ERIC, GME, JOSB, MA, OIS, ORCL, UPS, VZ, WETF, WYNN)

24/7 Wall St. Closing Bell — January 31, 2013: Markets Slip Again (HES, STX, QCOMM, FIO, CMA, CTXS, COP, EA, FB, JDSU, LVS, AET, MO, AN, CL, DNKN, MA, PHM, TWC, UPS, BYI, GDOT, WYNN, CVX, XOM, MAT, MRK, NOV, TSN, RIMM, WMS, SGMS, STZ)

24/7 Wall St. Closing Bell — January 30, 2013: Markets Slide on GDP, Fed Stimulus (WBSN, JBLU, KBH, YUM, CSCO, AMZN, BRCM, RYL, RHI, BA, ADT, LLL, PSX, NOC, SO, CTXS, COP, EA, FB, JDSU, LVS, AET, MO, AN, CL, DNKN, MA, PHM, TWC, UPS, RIMM, CHK, VTUS)

Major Earnings Previews for the Week Ahead

Diamond to Buy Pringles for $1.5 Billion

Diamond Foods is buying the Pringles brand of chips from Procter & Gamble for $1.5 billion. The deal is the latest -- and biggest -- of a stack of acquisitions for the maker of Emerald nuts and Pop Secret popcorn, making Diamond to the No. 2 snack company after PepsiCo's Frito-Lay.