By Luc Olinga The four tech giants have confirmed that the economic boom of the covid-19 pandemic is over. It’s a hard landing. A very difficult return to earth, whose echo resounds throughout Silicon Valley. The golden financial days of the covid-19 pandemic are over. Now back to reality, and it is a reality that has shaken the giants of tech very strongly. Amazon (AMZN) – Get Amazon.com Inc. Report, Alphabet (GOOGL) – Get Alphabet Inc. Report, Microsoft (MSFT) – Get Microsoft Corporation Report and Meta Platforms (META) – Get Meta Platforms Inc. Report confirmed this week that the growth the…