Herbalife's initiative to refinance its existing debts, including the 2018 Term Loan B, by securing $1.2 billion in financing and a $400 million credit line, indicates a proactive approach to debt management. This move is likely to be viewed positively by investors as it could improve the company's financial flexibility and potentially lower interest expenses. The refinancing could also extend the maturity profiles of its debts, reducing short-term liquidity risks. However, the final impact on the stock price will depend on the terms of the refinancing and the market's perception of the company's long-term financial health.