The Nasdaq 100 index posted its fourth consecutive session in the green on Thursday, closing up 0.6% at 19,576 points and reaching new all-time highs as tech stocks drive broader market gains. The S&P 500 also recorded its fourth straight positive day, rising 0.2% to a record closing level of 5,433 points, rebounding from a morning dip caused by disappointing unemployment claims data. In the afternoon, traders regained confidence in risky assets after U.S. Treasury Secretary Janet Yellen expressed optimism about continued progress in disinflation. While Yellen noted easing labor market pressures, she emphasized that the job market remains strong. The market anticipates a rate cut in September with a probability nearing 70%, and is currently pricing in over 50 basis points ...