Of the 3,215 ballots received, workers have so far voted 1,100-463 against forming a union at the warehouse in Bessemer, Alabama.
The company said the issue was industry-wide and it would look for solutions, without specifying what these might be.
He will be replaced by Amazon Web Services head Andy Jassy.
Parler CEO John Matze decried the punishments as ``a co-ordinated attack by the tech giants to kill competition in the marketplace.''
Parler is favored by many supporters of U.S. President Donald Trump, and it is seen as a haven for people expelled from Twitter.
Tesla's share increase Thursday pushed Elon Musk's net worth more than US$188.5 billion.
The Trump lawyer and former New York City mayor fell victim to a Sacha Baron Cohen prank in 'Borat 2.'
Amazon noted that the infection rate of its employees was well below that seen in the general U.S. population.
Investigators said early findings appeared to show the man and woman may have been in a ``domestic relationship.''