The company has secured relatively cheap debt financing.Earlier this week, you could almost hear a big, collective sigh of relief from MKS Instruments (MKSI 3.47%) investors, following the company's latest financial news. It managed to secure new debt financing at a modest interest rate; this was rewarded by Mr. Market pushing its stock up by nearly 9% over this week, according to data compiled by S&P Global Market Intelligence.Refinancing moveMKS, a rather under-the-radar company that makes instruments and ...