Tata Steel Ltd’s shares are falling owing to fears that its European joint venture (JV) has hit a roadblock. They may be overreacting. Both Tata Steel and Thyssenkrupp AG remain keen on the idea of moving the European steel businesses off their books. The opposition from some Thyssenkrupp investors, which may be causing concern, is on the structure of the deal. Even the opposition from workers could be a negotiation tactic to get better terms.