US STOCKS-Futures flat at 5-year highs, investors await earnings
* DuPont posts drop in profit, Verizon impacted by Sandy
* J&J, Google and TI all on tap to report on Tuesday
* Obama begins second term, outlines aggressive agenda
* U.S. shares of RIM surge in premarket after CEO comments
* Dow down 8 pts, S&P down 0.9 pt, Nasdaq up 5 pts
By Ryan Vlastelica
NEW YORK, Jan 22 (Reuters) - U.S. stock index futures were flat on Tuesday as investors held back on making large bets ahead of an onslaught of corporate earnings after recently notching five-year highs.
* Both the Dow and S&P 500 closed at their highest levels since December 2007 on Friday, spurred by a strong start to earnings season. U.S. markets were closed on Monday for a public holiday.
* Despite stronger-than-expected financial results from major companies, including big banks, at the start of the quarterly reporting season, many investors are worried that the other earnings reports will reflect economic uncertainty in the fourth quarter. Continued...