Mumbai, Feb. 17 -- COMEX gold held on to losses under $5K mark amid recovery in dollar overseas and subdued trading volumes due to market holidays in China and other parts of Asia. Dollar index traded above 97 as investors looked ahead to key US economic data this week that could shape expectations for Federal Reserve policy. However, yield on the US 10-year Treasury note fell toward 4%, reaching its lowest level since early December as soft inflation data from last week reinforced expectations for Federal Reserve interest rate cuts. Further, losses in the yellow metal could be limited amid geopolitical developments as US-Iran nuclear talks are set to resume talks later today amid elevated tension. Currently, the counter is quoting at $4975...