Alexis Browne Roberts unpacks the current market enthusiasm, noting the S&P 500 and Dow Jones Industrial Average are on a "sugar high" but expects increased volatility. She advocates for a cautiously optimistic approach, scaling back exposure to richly valued AI stocks like Taiwan Semiconductor Manufacturing Company (TSM) in favor of neutral allocations. Alexis highlights diversification through ETFs such as the iShares MSCI USA Momentum Factor ETF (MTUM) and the iShares MSCI USA Quality Factor ETF (QUAL) for growth and dividend appreciation...