Tesla Inc (TSLA.O) lost $126 billion in value on Tuesday amid investor concerns that Chief Executive Elon Musk may have to sell shares to fund his $21 billion equity contribution to his $44 billion buyout of Twitter Inc (TWTR.N).

Tesla is not involved in the Twitter deal, yet its shares have been targeted by speculators after Musk declined to disclose publicly where his cash for the acquisition is coming from. The 12.2% drop in Tesla's shares on Tuesday equated to a $21 billion drop in the value of his Tesla stake, the same as the $21 billion in cash he committed to the Twitter deal.

Wedbush Securities analyst Daniel Ives said that worries about upcoming stock sales by Musk and the possibility that he is becoming distracted by Twitter weighed on Tesla shares. "This (is) causing a bear festival on the name," he said.

Tesla did not immediately respond to a request for comment.... Read More: Reuters