U.S. stock futures were pointing to a session of gains for tech on Thursday as a strong set of results from chip maker Taiwan Semiconductor Manufacturing Co. gave the market reason to believe the artificial intelligence investing frenzy will continue. TSMC reported a record net third-quarter profit early Thursday, signaling to investors that demand for its chips is still strong. Its earnings beat should soothe the market, after Dutch semiconductor equipment manufacturer ASML’s soft sales forecast fueled fears that the AI boom could be about to fizzle out.