A significant antitrust suit being brought by 44 US states versus 20 generic drugmakers struck much of the business’ stocks hard on Monday, in the middle of a broad-based drop in the United States equity market.

Teva and Mylan, 2 significant generic drugmakers called plainly in this suit and another, comparable one, might stand to lose more in the type of prospective billion-dollar fines, according to brand-new notes from experts at UBS.

Submitted in Connecticut district court on Friday, the newest suit declares that the 20 drug business interacted in a “broad conspiracy to synthetically pump up and control costs, decrease competitors and unreasonably limit trade for more than 100 various generic drugs.”

Those drugs consisted of treatments for cancer, HIV and more, with cost boosts sometimes of more than 1,000%. In addition to the business, the fit likewise names15 private senior executives as offenders, consisting of a number of previous Teva staff members and Mylan’s present vice president of sales.

Comparable claims were likewise made by US states in a different antitrust suit submitted in 2016 versus almost 20 generic drugmakers, consisting of Mylan and Teva, though the scope of that a person was more minimal.

Learn More: A big suit implicates almost 20 huge drug business, a billionaire, and 2 brothers-in-law of cozying approximately trek drug costs. Here’s the information.

For Teva, overall fines to solve the current fit and the 2016 one might pertain to $1.1 billion to $4.3 billion, UBS experts stated on Monday. Mylan, on the other hand, might stand to pay in between $500 million and $2 billion for both cases, they stated.

The current suit marks “another obstacle” for Teva and Mylan, UBS expert Navin Jacob and group composed.

It is “challenging to identify the dollar effect of these claims provided the early phase of the trial & nontransparent nature of the Gx market,” they stated, calling their quote a “top-level effort.”

Teva, the Israeli business that is the world’s biggest generic drugmaker and is called plainly in the fit, had $2.5 billion of its market price erased in United States trading on Monday, while United States generic drugmaker Mylan lost $1.1 billion in market price.

In a declaration, Teva stated that “the claims in this brand-new grievance, and in the lawsuits more normally, are simply that – claims.”

“Teva continues to evaluate the problem internally and has actually not taken part in any conduct that would result in civil or criminal liability,” the declaration stated. “We will continue to intensely protect the Business.”

The suit was likewise brought versus other popular business, consisting of Swiss drug giant Novartis’s generic drug system Sandoz, India-based generic drugmaker Dr. Reddy’s, and United States drugmaker Pfizer, all of which saw significant stock drops on Monday.

Pfizer stated in a declaration that it has actually complied with the Connecticut chief law officer considering that it was gotten in touch with over a year back.

“We do not think the Business or our coworkers took part in illegal conduct and reject any misbehavior,” the declaration stated. “Greenstone has actually been a trustworthy and relied on provider of economical generic medications for years and means to intensely prevent these claims.”

Other business didn’t instantly return ask for remark.

United States markets decreased on Monday, with the S&P 500 down 2.4%.