Shares are up for very good reasons.Great stocks can be found in any market environment, even if share prices fluctuate with time. However, solid businesses with great financials and durable growth pathways will typically reflect that with relatively steady share price increases over time. If you're looking for top stocks to buy and hold for the long term, here are two companies to consider adding to the mix.1. Eli LillyShares of Eli Lilly (LLY 1.53%) have had a tremendous 106% run-up over the past 12 month ...