On the financial front, Levin is under pressure to raise the stock price and reduce the company's mountainous debt, which will increase to 17.3 billion after two new cable deals close.

【翻译】在财政方面，莱文正承受着提高股价，减少公司巨额债务的压力。在两笔新的有线电视交易谈妥后，公司债务将增加到173亿美元。

【分析】

1. Levin is under pressure to raise the stock price and reduce the company's mountainous debt：主句。

其中，to raise the stock price and reduce the company's mountainous debt作定语，修饰pressure。

2. which will increase to 17.3 billion after two new cable deals close：定语从句，修饰debt。

其中，after two new cable deals close为时间状语从句，修饰will increase。

two new cable deals：主语，意为“两笔新的有线电视交易”；close是谓语动词，意为“结束”， “谈妥(交易等)；办妥”。