CLEAN : President Trump calls grounds for his impeachment a joke

The transcript discusses the positive market reaction to impeachment talks and the need for transparency regarding whistleblower information. It highlights financial concerns involving Joe Biden and his son in Ukraine and China. The speaker denies applying pressure on Ukraine's President, who also confirmed no pressure was felt. The transcript concludes with a critique of the impeachment process, labeling it a witch hunt.

What does the speaker imply about the ongoing investigation described as a 'witch hunt'?

What is the speaker's opinion on the impeachment process mentioned?