Stocks ended an unusual storm-shortened trading week with a selloff on Friday, as major indexes erased early gains sparked by a stronger-than-expected payrolls report.

Energy stocks were a drag on the market after Chevron Corp, the second-largest U.S. oil company, posted a profit that missed expectations. The stock fell 2.9 percent to $108.26 and was one of the biggest drags on the Dow industrials.

The dollar's strength also hurt energy and materials shares. Eventually, all 10 S&P 500 sectors succumbed to selling pressure to end lower.

For the week, the Dow shed 0.1 percent, but the S&P 500 gained 0.2 percent. The Nasdaq ended the week down 0.2 percent.

The trading week was shortened by a historic two-day market closure on Monday and Tuesday, spurred by superstorm Sandy's devastating sweep through the U.S. Northeast. (commentary & photo courtesy of Reuters)

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The shortened trading week plus the overall market weakness has resulted in RSI issuing no picks since last blog post. However, it has reaffirmed its picks in KOL, TUR and XHB. What more can I say but to stand pat.