Broadcom Ltd. (AVGO) , Samsung Electronics Co. (SSNLF) , Nidec Corp. (NJDCY)  and Murata Manufacturing Co. are the best four Apple Inc. (AAPL) supplier stocks to buy following the tech giant's newest product launch, Goldman Sachs analysts said in a note on Wednesday, Sept. 13.

The four stocks have the strongest position in Apple's supply chain and are additionally exposed to other growth areas, analysts noted in a Bloomberg report.

Taiwan's Catcher Technology Co. (CHERF) is also a buy given its strong position within Apple, but it lacks the non-Apple growth opportunities the other four have. Similar stocks with good Apple exposure but few growth prospects include Alps Electric Co. (APELF) , SK Hynix Inc. (HXSCL) , Finisar Corp. (FNSR) and Sony Corp. (SNE) .

Goldman also identified four stocks to sell among Apple's suppliers. TPK Holding Co. (TPKCF) , LG Display Co. (LPL) , Ibiden Co. (IBIDF) and Wistron Corp. are not as strong as other suppliers.

Specifically regarding the iPhone 8 and iPhone X products, Goldman listed Samsung, Micron Technology Inc. (MU) and SK Hynix as strong investments because of their OLED and NAND technologies. Broadcom is strong for its wireless charging capabilities. Taiwan Semiconductor Manufacturing Co. Ltd. (TSM) looks well-positioned because of its role in Apple's new A11 processing chip used in the phones.

Producers of OLED device parts are expected to experience the sharpest increase in margins because demand for their products is set to continue to grow as Apple shifts to a higher-end phone, Goldman analysts added.

Broadcom and Apple are holdings in Jim Cramer's Action Alerts PLUS Charitable Trust Portfolio . Want to be alerted before Cramer buys or sells AVGO and AAPL? Learn more now.

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