02:22 PM EDT, 09/30/2025 (MT Newswires) -- Nvni Group ( NVNI ) said Tuesday it signed a binding term sheet to acquire MK Solutions, an ERP for internet providers in Brazil.

Financial terms of the transaction were not disclosed, but Nvni ( NVNI ) said the deal is expected to bring an additional 40 million Brazilian reais ($7.5 million) in pro-forma revenue and 20 million Brazilian reais in pro-forma EBITDA.

Shares sank 40% following an increase in intraday trading volume to over 22.1 million from a daily average of about 8.6 million.

Mizuho Securities downgraded Kala Bio's ( KALA ) shares to neutral from outperform, with a price target of $1.50.

Shares of KALA slumped 23% as intraday trading volume rose to over 4 million from a daily average of about 791,000.

Ambac Financial ( AMBC ) shares sank 15% in recent trading after the company said late Monday it completed a $420 million cash sale of its legacy financial guarantee businesses, Ambac Assurance and Ambac Assurance UK, to funds managed by Oaktree Capital Management.

More than 1.8 million shares traded intraday compared with a daily average of about 799,000.

Price: 0.86, Change: -0.53, Percent Change: -38.35