Rep David Schweikert, a key subcommittee chairman, met with The Deal's Ronald Orol to discuss efforts to prod the nation's securities regulator to widen the current one-penny tick increment and help drive liquidity to the market and boost IPOs.
Ross is Trump's pick for Commerce Secretary.
The activist fund and its partner, Bluescape, suggested that they are thinking about launching a director-election proxy battle at the company's 2017 annual meeting, expected in April.
The $101 billion market cap pharma could be put in play or targeted by an activist investor soon.
After lawmakers complain, the agency extends its review of a proposed acquisition of the Chicago Stock Exchange by a Chinese-led investment group.