Hawaiian Electric Industries, Inc. (NYSE:HE) shares are trading lower Tuesday after the company announced a secondary offering of 54 million shares of its common stock at a price of $9.25 per share. The Details: Hawaiian Electric said the offering is expected to close on Sept. 25 subject to customary closing conditions. The company has granted the underwriters of the offering an option to purchase up to an additional 8.1 million shares of common stock at the public offering price. HEI intends to use the net proceeds from the offering to fund its contribution to the expected Maui wildfire tort …