[8/25 00:00] SEC subpoenas four Wall Street banks over AI hedge fund collapse / Quintessent raises $40M for quantum dot comb lasers

AI News Flash for August 25, 2026 at 00:00 UTC. Topics: 1. SEC subpoenas four Wall Street banks over AI hedge fund collapse https://kfgo.com/2026/08/24/us-sec-sends-subpoenas-to-wall-street-banks-over-situational-awareness-nyt-reports/ 2. Quintessent raises $40M for quantum dot comb lasers https://www.semiconductor-digest.com/quintessent-raises-40-million-series-a-and-begins-sampling-first-product-for-ai-optical-interconnects/ 3. Tempus AI gets FDA clearance for ECG-based pulmonary hypertension detection https://www.dicardiology.com/content/fda-clears-ai-product-detects-pulmonary-hypertension-standard-ecgs 4. Amazon Project Tetromino AI delivery station automation https://www.tradingview.com/news/stocktwits:95145c64f094b:0-amzn-stock-climbs-as-amazon-reportedly-plans-automation-initiative-to-use-ai-and-robotics-for-delivery-stations/