<p>Oct 17 (Reuters) - IBM Corp's fifth consecutivequarterly revenue miss prompted at least two brokerages to cuttheir ratings on the company's stock.</p><p>Shares of IBM, considered a bellwether for the globalenterprise IT sector, were down 4 percent at $202.50 before thebell on Wednesday.</p><p>International Business Machines Corp's third-quarter revenuemissed estimates as customers put off spending on big ticketitems and also due to a stronger dollar.</p><p>Sluggish spending environment in North America is a concernbecause the deceleration seems to be gathering pace, SocieteGenerale analyst Richard Nguyen said. Revenue from the Americas,which accounts for 42 percent of total revenue, fell 4 percentin the quarter ended Sept. 30.</p><p><a href="http://www.reuters.com/article/2012/10/17/ibm-research-idUSL3E8LH3T120121017">Keep reading...</a></p><p>Read also:</p><p><a href="http://www.jagsreport.com/2012/10/ibm-rating-lowered-to-sell-at-societe-generale-ibm/">IBM Rating Lowered to Sell at Societe Generale (IBM)</a> (Jags Report)</p><p><a href="http://www.dailypolitical.com/finance/stock-market/janney-montgomery-scott-lowers-ibm-to-neutral-ibm.htm">Janney Montgomery Scott Lowers IBM to Neutral (IBM)</a> (Daily Political)</p><p><a href="http://www.benzinga.com/analyst-ratings/analyst-color/12/10/3000586/update-societe-generale-downgrades-international-busines">UPDATE: Societe Generale Downgrades International Business Machines to Sell</a> (Benzinga)</p><p>Explore: <a href="http://news.google.com/news/more?ncl=d2N31DsEUVle6EMGU5yhPpbFSKEMM&ned=us">5 additional articles.</a></p>