Wall Street volatility damage has been widespread and some buyers are reallocating their holdings to buffer against further downside.   Today's Stocks & Topics: Portfolio Concentration, Home Prices, Smoking Too Much Pot, PSX - Phillips 66, BHP - BHP Group Ltd. ADR, Greed, Long Term Portfolio, PFE - Pfizer Inc., DIS - Walt Disney Co., Saving to Buy a House, Long Term Care, ENDP - Endo International PLC, MOMO - Momo Inc. ADR.   TRIVIA QUESTION: "If you happen to be a citizen of Wuhan, China-- the most heavily affected province-- and your family suffers a coronavirus DEATH-- what will the Chinese government give you... in terms of FINANCIAL compensation?"   Plus: Key Benchmark Numbers and Market Comments for: Gold, Oil, Gasoline, Home Prices and Treasury Yields.