TORONTO - Canada's main stock index finished slightly higher Friday, helped by strength in the real estate sector, while U.S.

$ % Advanced Charting Compare Compare to Benchmark: DJIA S&P 500 GLOBAL DOW NASDAQ Compare to Add Open 23900.69 Prior Close 24069.94 (07/03/25) 1 Day HSI -0.64% DJIA 0.77% S&P 500 0.83% Nasdaq 1.02% ...

We demonstrate of a metal grating purely index coupled distributed feedback quantum cascade Lasers at around 7.5mum. It presents a large tuning without broadband gain and side mode suppression ratio ...