NEW YORK/LONDON :MSCI's global equities index was advancing on Tuesday as investors looked forward to the U.S. government shutdown ending but worried about rich technology sector valuations, while the dollar dipped on concerns about U.S. labor market weakness. The U.S. Senate passed a deal on Monday that would restore federal funding after the record-long shutdown, which has disrupted food benefits for millions, left hundreds of thousands of federal workers unpaid, snarled air traffic, and