TOKYO (Reuters) -Japan's Panasonic Holdings cut its full-year operating profit forecast by 13.5% on Thursday, mainly due to an expected decrease in profit at its key energy unit, which supplies batteries to Tesla and other automakers. Panasonic now expects group operating profit of 320 billion yen ($2.12 billion) for the fiscal year ending March 2026, down from 370 billion yen expected previously. The forecast was revised down to reflect the impact from U.S. tariffs, lower-than-anticipated sales volumes ...