A agilent technologies, inc. NYSE Biotechnology: Laboratory Analytical Instruments AA alcoa corporation NYSE Metal Fabrications AAON aaon, inc. NASDAQ Industrial Machinery/Components ACU acme united corporation. AMEX Industrial Machinery/Components AEHR aehr test systems NASDAQ Electrical Products AEIS advanced energy industries, inc. NASDAQ Industrial Machinery/Components AEMD aethlon medical, inc. AMEX Biotechnology: Laboratory Analytical Instruments AGCO agco corporation NYSE Industrial Machinery/Components AIR aar corp. NYSE Aerospace AIRI air industries group AMEX Military/Government/Technical ALG alamo group, inc. NYSE Industrial Machinery/Components ALSN allison transmission holdings, inc. NYSE Auto Parts:O.E.M. ALV autoliv, inc. NYSE Auto Parts:O.E.M. AMOT allied motion technologies, inc. NASDAQ Electrical Products AP ampco-pittsburgh corporation NYSE Fluid Controls APH amphenol corporation NYSE Electrical Products APOG apogee enterprises, inc. NASDAQ Auto Parts:O.E.M. ARTW art's-way manufacturing co., inc. NASDAQ Industrial Machinery/Components ASTC astrotech corporation NASDAQ Military/Government/Technical ASTE astec industries, inc. NASDAQ Construction/Ag Equipment/Trucks ATRO astronics corporation NASDAQ Military/Government/Technical AVAV aerovironment, inc. NASDAQ Aerospace AVHI achari ventures hldgs crp NASDAQ Homebuilding AXDX accelerate diagnostics, inc. NASDAQ Biotechnology: Laboratory Analytical Instruments AXL american axle & manufacturing holdings, inc. NYSE Auto Parts:O.E.M. B barnes group, inc. NYSE Metal Fabrications BA boeing company (the) NYSE Aerospace BELFA bel fuse inc. - class a NASDAQ Electrical Products BELFB bel fuse inc. - class b NASDAQ Electrical Products BIO bio-rad laboratories, inc. class a NYSE Biotechnology: Laboratory Analytical Instruments BLBD blue bird corporation NASDAQ Construction/Ag Equipment/Trucks BMI badger meter, inc. NYSE Industrial Machinery/Components BOOM dmc global inc. NASDAQ Industrial Specialties BRKR bruker corporation NASDAQ Biotechnology: Laboratory Analytical Instruments BW babcock & wilcox enterprises, inc. NYSE Building Products BWA borgwarner inc. NYSE Auto Parts:O.E.M. BWEN broadwind, inc. NASDAQ Metal Fabrications BXC bluelinx holdings inc. NYSE Wholesale Distributors BZH beazer homes usa, inc. NYSE Homebuilding CAAS china automotive systems, inc. NASDAQ Auto Parts:O.E.M. CAMT camtek ltd. - ordinary shares NASDAQ Electronic Components CAT caterpillar, inc. NYSE Construction/Ag Equipment/Trucks CCS century communities, inc. NYSE Homebuilding CDTI cdti advanced materials NASDAQ Pollution Control Equipment CETX cemtrex inc. NASDAQ Industrial Machinery/Components CGNX cognex corporation NASDAQ Industrial Machinery/Components CHCI comstock holding companies, inc. - class a NASDAQ Homebuilding CIX compx international inc. AMEX Industrial Machinery/Components CLIR clearsign technologies corporation NASDAQ Industrial Machinery/Components CMCO columbus mckinnon corporation NASDAQ Construction/Ag Equipment/Trucks