21.   Oil service stocks also struggled on worries that energy and power demands would decrease in a weakened economy.

22.   Oil service stocks also struggled on worries that exploration and production demands are decreasing.

23.   Stocks struggled to advance Monday as investors, still nursing doubts about when the economy will improve, decided against any major commitments to the market.

24.   Stocks struggled to extend their rally Thursday despite better-than-expected results from Hewlett-Packard and unemployment data that suggested the economy might be stabilizing.

25.   Stocks struggled to hold their gains Tuesday as poor earnings reports and a big drop in consumer confidence weighed on investors.

26.   Stocks struggled to move higher in light trading Tuesday as Wall Street nervously awaited the outome of the presidential election.

27.   Stocks struggled to rebound Monday from a three-day selloff caused by earnings warnings and broader anxiety about where the economy is headed.

28.   Since then, the stock has struggled mightily along with the rest of the high-tech sector.

29.   Tech stocks struggled to keep up, reflecting worries that the sector will suffer in a weak economic environment.

30.   Tech stocks struggled to keep up, though.