Tokyo stocks rose Friday on growing expectations of an interest rate cut this year by the U.S. Federal Reserve, but the gains were capped amid caution toward earnings by Japanese firms. The 225-issue Nikkei Stock Average ended up 155.13 points, or 0.41 percent, from Thursday at 38,229.11. The broader Topix index finished 14.75 points, or 0.54 percent, higher at 2,728.21. On the top-tier Prime Market, gainers were led by marine transportation, oil and coal product, and metal product issues. The U.S. dollar mostly hovered in the mid-155 yen zone after data released overnight pointed to a slowing…