Best Growth Stocks to Buy for August 20th

Zacks highlights three stocks with Zacks Rank #1 and improving earnings expectations: NCLH consensus FY earnings up 9.1% (PEG 0.20), SharkNinja (SN) up 10.5% (PEG 1.23), and Powell Industries (POWL) up 32.9% (PEG 1.00). The article frames a potential upside setup (including a “single best pick to double” concept) based on growth score ratings and consensus estimate revisions, with a recent pullback cited as an entry opportunity.

Analysis

This reads more like a flow event than a fresh fundamental catalyst: rankings and PEG screens can support short-term momentum, but they rarely move multiples for long unless the next print confirms the revision trend. The cleanest expression is POWL, where estimate upgrades likely reflect a real capex cycle in electrification and data-center infrastructure; that can sustain revenue visibility longer than a one-quarter narrative trade. SN is a different animal: the upside is mainly share gain and mix expansion, but consumer-discretionary winners tend to lose that premium quickly if promotion intensity or freight/input costs re-accelerate.

NCLH is the most macro-sensitive leg. In cruises, small changes in booking velocity or fuel can swing EBITDA disproportionately, so any consumer-spending wobble or widening credit spreads can reverse the trade within weeks, not months. If the market is paying up for “growth” here, the hidden risk is that the earnings revision is lagging the cycle rather than leading it.

Contrarian take: the consensus may be overvaluing the signal from an analyst-ranking article and underweighting how often these lists simply chase recent estimate revisions. The better second-order trade is relative value, not outright beta: POWL versus slower industrials if you believe electrification capex stays durable, and SN versus weaker small-cap consumer durables if you believe brand-led pricing power is real. NNOX looks like the highest left-tail name in the basket because attention-driven upside can unwind fast without tangible commercialization evidence.

Key Decisions for Investors

• Long POWL on weakness over the next 1-3 months; best risk/reward if order visibility and backlog remain intact. Use next earnings/guide as the validation point; exit if revenue backlog growth or margins decelerate materially.
• Pair trade: long SN / short NWL or HELE for 1-3 months to isolate share-gain and product-cycle strength from weaker legacy consumer durables. Falsifier: SN gross margin or sell-through softens while peers stabilize.
• Avoid chasing NCLH after this screen-driven upgrade; if you want exposure, consider only a tactical call spread into earnings with defined risk. Thesis fails if booking commentary weakens or fuel/consumer data turns.
• Watch NNOX rather than trade it outright; the stock is likely to be most vulnerable to a retracement once promotional attention fades unless commercialization metrics improve. No long until revenue conversion is independently visible.
• If you want a cleaner macro implementation, buy POWL vs. XLI on pullbacks as a relative-capex expression. Thesis breaks if industrial capex indicators roll over or POWL’s valuation de-rates on any order disappointment.