When building wealth in the stock market, one smart move you can make is to invest in quality companies with competitive advantages and robust cash flows that can grow no matter what the economy does.One place you can unearth hidden gems like this is the insurance industry. Insurance companies can be an excellent source of cash flow because their products are always in high demand. While these businesses aren't exciting, well-run insurers can deliver phenomenal market-beating returns with less volatility ov ...