NEW YORK (TheStreet) -- Hewlett-Packard (HPQ), Cisco Systems (CSCO) and Microsoft (MSFT) were top gainers among Dow Jones Industrial Average components last week, while Bank of America (BAC), Merck (MRK) and American Express (AXP) were among the laggards.Hewlett-Packard led the list of advancers, gaining 10.8% last week. Cisco Systems followed with 7.5%. Last week, it became known that Cisco was upgrading its WAAS WAN optimizers. Microsoft rose 5.5% last week. During the week, the European Union cleared Microsoft's planned acquisition of Skype in a deal valued $8.5 billion. Walt Disney ( DIS) gained 5.1% after Citigroup upgraded the stock from hold to buy with a price target of $36, representing 13.6% upside from current levels E.I. du Pont de Nemours & Company ( DD) added 4.8%. Last week, the company announced that it is starting up its $500 million Cooper River Kevlar facility near Charleston. Intel ( INTC) was up 4.5% last week. The company said last week it is seeking to invest $20 million in six Indian companies to supporting Indian technology innovation and entrepreneurship. Bank of America was at the top of the losers' list, down 3.6% at the close last week, while Merck and American Express both dipped 3.3%. The Coca-Cola Co. ( KO) shed 2.5% after a JPMorgan analyst lowered the company's ratings and earnings estimates (2011 and 2012) citing concerns about the potential impact of foreign exchange rates and interest income. Also, the beverage company's rating was lowered to neutral from overweight. Verizon Communications ( VZ) lost 1.7% last week after Macquaries cut its price target on the telephone company, saying a high-yield debt market will hurt equity values and produce higher borrowing costs.