QX Resources Ltd (ASX:QXR) has seen its share price rise more than 16% on news that the company is set to strengthen its lithium holdings in the United States through a renegotiated option agreement. The agreement – which involves IG Lithium (IGL) – relates to the Liberty Lithium Brine Project in California. The two companies have renegotiated the option agreement to allow for a reduction in option payments, and provide QXR with the opportunity to take on two additional prospective lithium brine projects in the US. In October 2023, QXR had entered into an option agreement with IGL to acquire a…