$50, then $40, and now back to $45.73/bbl. Oil, although in a seasonally weak period, is trying to make a comeback.Markets are speculating prices for energy will stabilize. Fundamentals for the sector depend on just one player: Saudi Arabia.Between now and Labour Day, oil will fluctuate on random news. Driven by these events, the direction will not sustain any meaningful patterns for at least another month.Speculators: Trade DWTI, UWTI, and VXX.Investors: Buy and hold XOM, BP, CVX, COP.Agree or disagree?