DoorDash, Inc. (NASDAQ: DASH ) tanked after the company reported plans to significantly increase spending. While I am worried about long-term pressures, the selloff seems overdone, and the company’s long-term plans to increase efficiency and bolsterMarkets rise and fall, booms come and go, and the world keeps ticking. Ultimately, I believe observing megatrends, as difficult as they can be to spot, let alone fully comprehend, can yield insights into the advance of human society, which in turn could pave the ...