Tesla chief executive Elon Musk took to Twitter early Friday to defend his peculiar behavior on an earnings conference call that caused shares of the electric car maker to lose more than 5 percent.

"The 'dry' questions were not asked by investors, but rather by two sell-side analysts who were trying to justify their Tesla short thesis," Musk tweeted. "They are actually on the *opposite* side of investors. HyperChange represented actual investors, so I switched to them."

Tweet

Musk, in a Twitter rant that followed later Friday morning, promised those betting against Tesla would regret it.

Tweet

Tesla shares gained 3.3 percent Friday, a day after sliding 6 percent.

On Wednesday evening's conference call, in response to a question about capital requirements from Sanford Bernstein's Toni Sacconaghi, Musk said, "Boring, bonehead questions are not cool, Next?"